WO2004076227A1 - Method for controlling a seat adjustment - Google Patents

Method for controlling a seat adjustment Download PDF

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Publication number
WO2004076227A1
WO2004076227A1 PCT/EP2004/001448 EP2004001448W WO2004076227A1 WO 2004076227 A1 WO2004076227 A1 WO 2004076227A1 EP 2004001448 W EP2004001448 W EP 2004001448W WO 2004076227 A1 WO2004076227 A1 WO 2004076227A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
movement
seat adjustment
type
adjustment
Prior art date
Application number
PCT/EP2004/001448
Other languages
German (de)
French (fr)
Inventor
Alexander Augst
Stephan Durach
Danny Borke
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Priority to DE502004011391T priority Critical patent/DE502004011391D1/en
Priority to EP04711344A priority patent/EP1597107B1/en
Publication of WO2004076227A1 publication Critical patent/WO2004076227A1/en
Priority to US11/211,505 priority patent/US7136734B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B60N2/0248—Non-manual adjustments, e.g. with electrical operation with logic circuits with memory of positions

Definitions

  • the invention relates to a method for controlling a seat adjustment.
  • the seat adjustment in motor vehicles can be carried out with electric motors.
  • the electric motors are controlled via an operating element, for example a lever or a switch, with which a person can carry out a desired seat adjustment or adjustment.
  • a device in which a person can be identified on a vehicle seat with a camera system and the seat adjustment is carried out automatically according to the identified person on the basis of seat position data already stored.
  • the unpublished DE 102 46 318 also describes an apparatus and a method for automatic seat adjustment. With help of a
  • the camera system does not just become the person sitting on the vehicle seat identified, but recorded the entire seating position. This current seat position is compared with the associated stored seat position of the identified person and the seat adjustment is made as a function thereof.
  • the object of the invention is to improve the already known methods for controlling a seat adjustment.
  • a movement of the occupant is to be assigned to an adjustment of the seat. If a movement pattern or movement type is recognized, a certain seat setting is made. This can either be a complete adjustment of the seat (i.e. H. the entire seat adapts to the movement of the occupant, for example) or only individual seating parameters are adjusted.
  • This method is particularly advantageous if an intuitive seat adjustment is made possible for the person sitting on the vehicle seat.
  • the seat setting follows the type of movement of the person.
  • An intuitive movement is possible with the head, for example.
  • the detection of the head position and head movements of the occupants by an interior camera system is relatively easy to implement. , For example, if the person desires an increase in the seating area in order to have a better view, he can move the body or head upwards, for example.
  • the camera system detects the movement and the control unit recognizes the corresponding type of movement. If such a type of movement is stored in the control unit, an assigned seat adjustment, in this case, for example, an increase in the seat area, is carried out.
  • the new legal regulation regarding airbag systems in the USA creates the need for an interior sensor system to determine the seat occupancy and the head position of the passenger.
  • An interior camera system usually a 3D camera system, is provided for this purpose for several automobiles from the premium class. It is advantageous to also use this existing camera system to control a seat setting. As a result, there are no additional costs for the camera system for the motor vehicle manufacturer.
  • the control unit can be integrated in the already existing control unit for the seat adjustment.
  • the control according to the invention is either switched on or off arbitrarily or automatically.
  • the control of the seat adjustment according to the invention is advantageously activated by means of an operating element and / or depending on the operating parameters of the vehicle. This prevents an unwanted seat adjustment or seat adjustment from being carried out.
  • an operating element is actuated to activate the control.
  • voice control e.g. B. using a keyword, gesture or other human-machine interaction function.
  • the control system according to the invention can be activated automatically depending on certain operating parameters of the vehicle (for example when the engine starts or at a low speed).
  • the seat adjustment control according to the invention is active, it is advantageously active for a predetermined time.
  • the control of the seat adjustment is deactivated using an operating element. Deactivation can be carried out by pressing a button, voice input, gestures or another human-machine interaction function.

Abstract

The invention relates to a method for controlling a seat adjustment by means of a passenger compartment camera system, with which images of at least one portion of an individual sitting on a vehicle seat are recorded, and by means of a control unit, via which at least one type of movement of the individual sitting on the vehicle seat is identified from a series of images. The identified type of movement is compared with types of movement already stored in the control unit. When a stored type of movement is identified, a seat adjustment is carried out that is assigned to this type of movement.

Description

Verfahren zur Steuerung einer SitzeinstellungProcedure for controlling a seat adjustment
Die Erfindung bezieht sich auf ein Verfahren zur Steuerung einer Sitzeinstellung.The invention relates to a method for controlling a seat adjustment.
Es ist bekannt, dass in Kraftfahrzeugen die Sitzeinstellung mit Elektromotoren vorgenommen werden kann. Die Ansteuerung der Elektromotoren erfolgt über ein Bedienelement, bspw. einen Hebel oder einen Schalter, mit dem eine Person eine gewünschte Sitzverstellungen bzw. -einstellung vornehmen kann.It is known that the seat adjustment in motor vehicles can be carried out with electric motors. The electric motors are controlled via an operating element, for example a lever or a switch, with which a person can carry out a desired seat adjustment or adjustment.
Aus der WO 02/0800222 A2 ist eine Vorrichtung bekannt, bei der mit einem Kamerasystem eine Person auf einem Fahrzeugsitz identifiziert werden kann und anhand bereits gespeicherter Sitzpositionsdaten die Sitzeinstellung entsprechend der identifizierten Person automatisch vorgenommen wird.From WO 02/0800222 A2 a device is known in which a person can be identified on a vehicle seat with a camera system and the seat adjustment is carried out automatically according to the identified person on the basis of seat position data already stored.
Die noch unveröffentlichte DE 102 46 318 beschreibt eine Vorrichtung und ein Verfahren ebenfalls zur automatischen Sitzeinstellung. Mit Hilfe einesThe unpublished DE 102 46 318 also describes an apparatus and a method for automatic seat adjustment. With help of a
Kamerasystems wird die auf dem Fahrzeugsitz sitzende Person nicht nur identifiziert, sondern die gesamte Sitzposition erfasst. Diese aktuelle Sitzposition wird mit der dazugehörigen gespeicherten Sitzposition der identifizierten Person verglichen und abhängig davon die Sitzeinstellung vorgenommen.The camera system does not just become the person sitting on the vehicle seat identified, but recorded the entire seating position. This current seat position is compared with the associated stored seat position of the identified person and the seat adjustment is made as a function thereof.
Aus den bekannten Verfahren und Vorrichtungen kann keine intuitive Sitzeinstellung vorgenommen werden.No intuitive seat adjustment can be made from the known methods and devices.
Aufgabe der Erfindung ist, die bereits bekannten Verfahren zur Steuerung einer Sitzeinstellung zu verbessern.The object of the invention is to improve the already known methods for controlling a seat adjustment.
Diese Aufgabe wird erfindungsgemäß durch ein Verfahren gemäß Patentanspruch 1 gelöst. Vorteilhafte Weiterbildungen sind die Gegenstände der abhängigen Patentansprüche.This object is achieved by a method according to claim 1. Advantageous further developments are the subject matter of the dependent claims.
Es handelt sich um ein Verfahren zur Steuerung einer Sitzeinstellung mittels eines Innenraum-Kamerasystems, mit dem Bilder zumindest eines Teils einer auf einem Fahrzeugsitz sitzenden Person erfasst werden und mittels einer Steuereinheit, durch die aus einer Folge von Bildern zumindest eine Bewegungsart der auf dem Fahrzeugsitz sitzenden Person erkannt wird und die erkannte Bewegungsart mit bereits in der Steuereinheit abgespeicherten Bewegungsarten verglichen wird und bei Erkennung einer abgespeicherten Bewegungsart eine dieser Bewegungsart zugeordnete Sitzeinstellung vorgenommen wird.It is a method for controlling a seat setting by means of an interior camera system, with which images of at least part of a person sitting on a vehicle seat are captured and by means of a control unit, by means of which at least one type of movement of those sitting on the vehicle seat from a sequence of images Person is recognized and the recognized movement type is compared with movement types already stored in the control unit and when a stored movement type is recognized, a seat adjustment assigned to this movement type is carried out.
Mit dem erfindungsgemäßen Verfahren soll eine Bewegung des Insassen einer Verstellung des Sitzes zugeordnet werden. Wir ein Bewegungsmuster bzw. eine Bewegungsart erkannt, wird eine bestimmte Sitzeinstellung vorgenommen. Dies kann entweder eine komplette Verstellung des Sitzes sein (d. h. der gesamte Sitz passt sich bspw. der Bewegung des Insassen an) oder es werden nur einzelne Sitzparameter verstellt.With the method according to the invention, a movement of the occupant is to be assigned to an adjustment of the seat. If a movement pattern or movement type is recognized, a certain seat setting is made. This can either be a complete adjustment of the seat (i.e. H. the entire seat adapts to the movement of the occupant, for example) or only individual seating parameters are adjusted.
Besonders vorteilhaft ist dieses Verfahren, wenn der auf dem Fahrzeugsitz sitzenden Person eine intuitive Sitzeinstellung ermöglicht wird. Die Sitzeinstellung folgt der Bewegungsart der Person. Eine intuitive Bewegung ist bspw. mit dem Kopf möglich. Die Erfassung der Kopfposition und Kopfbewegungen der Insassen durch ein Innenraum-Kamerasystem ist im Gegensatz zu der Erkennung der Handgestik relativ einfach realisierbar. . Wünscht die Person bspw. eine Erhöhung der Sitzfläche, um eine bessere Sicht zu haben, kann sie bspw. den Körper bzw. Kopf nach oben bewegen. Das Kamerasystem erfasst die Bewegung und die Steuereinheit erkennt die entsprechende Bewegungsart. Ist eine derartige Bewegungsart in der Steuereinheit abgespeichert wird eine zugeordnete Sitzeinstellung, in diesem Fall bspw. eine Erhöhung der Sitzfläche, vorgenommen.This method is particularly advantageous if an intuitive seat adjustment is made possible for the person sitting on the vehicle seat. The seat setting follows the type of movement of the person. An intuitive movement is possible with the head, for example. In contrast to the detection of hand gestures, the detection of the head position and head movements of the occupants by an interior camera system is relatively easy to implement. , For example, if the person desires an increase in the seating area in order to have a better view, he can move the body or head upwards, for example. The camera system detects the movement and the control unit recognizes the corresponding type of movement. If such a type of movement is stored in the control unit, an assigned seat adjustment, in this case, for example, an increase in the seat area, is carried out.
Die neue gesetzliche Regelung bezüglich Airbagsystems in den USA (FMVSS208 von NHTSA) schafft die Notwendigkeit eines Innenraum- Sensierungssystems zur Bestimmung der Sitzbelegung und der Kopfposition des Beifahrers. Für mehrere Automobile aus der Premium-Klasse ist zu diesem Zweck ein Innenraumkamerasystem, meist ein 3D-Kamerasystem vorgesehen. Es ist von Vorteil, dieses bereits vorhandene Kamerasystem auch für die Steuerung einer Sitzeinstellung zu verwenden. Dadurch fallen für den Kraftfahrzeug-Hersteller keine zusätzlichen Kosten für das Kamerasystem an.The new legal regulation regarding airbag systems in the USA (FMVSS208 from NHTSA) creates the need for an interior sensor system to determine the seat occupancy and the head position of the passenger. An interior camera system, usually a 3D camera system, is provided for this purpose for several automobiles from the premium class. It is advantageous to also use this existing camera system to control a seat setting. As a result, there are no additional costs for the camera system for the motor vehicle manufacturer.
Für die erfindungsgemäße Sitzeinstellung muss zumindest der (Körper-) Teil einer auf einem Fahrzeugsitz sitzenden Person erfasst werden, von dem die intuitive Bewegung für die Sitzeinstellung vorgenommen wird. Besonders vorteilhaft erscheint die Auswertung der Kopfposition und Kopfbewegungen. Die Steuereinheit kann aus Kosten- und/oder Platzgründen im bereits vorhandenen Steuergerät für die Sitzeinstellung integriert sein. Es ist aber auch möglich, die Steuereinheit mit Hilfe einer Datenübertragungseinheit mit der Sitzeinstellung zu verbinden. In diesem Fall werden lediglich die Daten für die Verstellung eines oder mehrerer Sitzparameter und/oder der Aufruf einer vorgespeicherten Sitzeinstellung übertragen.For the seat adjustment according to the invention, at least the (body) part of a person sitting on a vehicle seat must be detected, from which the intuitive movement for the seat adjustment is carried out. The evaluation of the head position and head movements appears to be particularly advantageous. For reasons of cost and / or space, the control unit can be integrated in the already existing control unit for the seat adjustment. However, it is also possible to connect the control unit to the seat adjustment with the aid of a data transmission unit. In this case, only the data for the adjustment of one or more seat parameters and / or the call of a pre-stored seat setting are transmitted.
Die erfindungsgemäße Steuerung wird entweder willkürlich oder automatisch ein bzw. ausgeschalten.The control according to the invention is either switched on or off arbitrarily or automatically.
Vorteilhafterweise wird die erfindungsgemäße Steuerung der Sitzeinstellung mittels eines Bedienelements und/oder abhängig von Betriebsparameter des Fahrzeuges aktiviert. Dadurch wird verhindert, dass eine ungewollte Sitzeinstellung bzw. Sitzverstellung vorgenommen wird. Bspw. wird ein Bedienele- ment betätigt um die Steuerung zu aktivieren. Es besteht auch die Möglichkeit, die Steuerung per Spracheingabe, z. B. mittels eines Schlüsselworts, mittels Gestik oder einer anderen Mensch-Maschine-Interaktions-Funktion zu aktivieren. Alternativ dazu kann die erfindungsgemäße Steuerung automatisch abhängig von bestimmten Betriebsparameter des Fahrzeuges (z. B. bei Motorstart oder bei einer geringen Geschwindigkeit) aktiviert werden.The control of the seat adjustment according to the invention is advantageously activated by means of an operating element and / or depending on the operating parameters of the vehicle. This prevents an unwanted seat adjustment or seat adjustment from being carried out. For example. an operating element is actuated to activate the control. There is also the option of using voice control, e.g. B. using a keyword, gesture or other human-machine interaction function. As an alternative to this, the control system according to the invention can be activated automatically depending on certain operating parameters of the vehicle (for example when the engine starts or at a low speed).
Ist die erfindungsgemäße Steuerung der Sitzeinstellung aktiv, ist sie vorteilhafterweise für eine vorgegebene Zeit aktiv. Alternativ wird die Steuerung der Sitzeinstellung mittels eines Bedienelements deaktiviert. Die Deaktivie- rung kann per Tastendruck, Spracheingabe, Gestik oder einer anderen Mensch-Maschine-Interaktions-Funktion erfolgen.If the seat adjustment control according to the invention is active, it is advantageously active for a predetermined time. Alternatively, the control of the seat adjustment is deactivated using an operating element. Deactivation can be carried out by pressing a button, voice input, gestures or another human-machine interaction function.
Vorteilhafterweise wird nach Beendigung der Sitzeinstellung die aktuelleAdvantageously, the current one after the seat adjustment is finished
Sitzposition der auf dem Fahrzeugsitz sitzende Person zugeordnet und in der Steuereinheit abgespeichert. Sobald die Steuerung der Sitzeinstellung deaktiviert ist, wird die Sitzeinstellung gespeichert. Wird das Fahrzeug von mehreren Personen genutzt, muss eine eindeutige Zuordnung mittels Identifizierung der Person (wie z. B. aus der WO 02/0800222 A2 bekannt) oder zumindest eine Unterscheidung der Personen innerhalb der Benutzergruppen stattfinden. Die Unterscheidung der Personen aus einer begrenzten Gruppe bekannter, im System gespeicherter Personen, erfordert deutlich kleinere Rechenressourcen, als bekannte Personenerkennungsverfahren. Erkennt das System bspw. zu einem späteren Zeitpunkt eine bestimmte Person wieder, kann automatisch die zuletzt von dieser Person gespeichert Sitzeinstellung erfolgen. Dadurch wird die Sitzeinstellung benutzerfreundli- eher und komfortabler. Seat position assigned to the person sitting on the vehicle seat and stored in the control unit. As soon as the control of the seat adjustment is deactivated, the seat adjustment is saved. Will the vehicle by used by several people, there must be a clear assignment by identifying the person (as known, for example, from WO 02/0800222 A2) or at least differentiating the people within the user groups. Differentiating people from a limited group of known people stored in the system requires significantly smaller computing resources than known person recognition methods. If the system recognizes a certain person at a later point in time, the seat adjustment last saved by this person can be made automatically. This makes the seat adjustment more user-friendly and comfortable.

Claims

Verfahren zur Steuerung einer SitzeinstellungPatentansprüche Procedure for controlling a seat adjustment
1. Verfahren zur Steuerung einer Sitzeinstellung mittels eines Innen- raum-Kamerasystems, mit dem Bilder zumindest eines Teils einer auf einem Fahrzeugsitz sitzenden Person erfasst werden und mittels einer Steuereinheit, durch die aus einer Folge von Bildern zumindest eine Bewegungsart der auf dem Fahrzeugsitz sitzenden Person erkannt wird und die erkannte Bewegungsart mit bereits in der Steuereinheit abgespeicherten Bewegungsarten verglichen wird und bei Erkennung einer abgespeicherten Bewegungsart eine dieser Bewegungsart zugeordnete Sitzeinstellung vorgenommen wird.1. Method for controlling a seat adjustment by means of an interior camera system, with which images of at least part of a person sitting on a vehicle seat are captured and by means of a control unit, by means of which at least one type of movement of the person sitting on the vehicle seat from a sequence of images is recognized and the recognized type of movement is compared with types of movement already stored in the control unit, and when a stored type of movement is recognized, a seat adjustment assigned to this type of movement is carried out.
2. Verfahren nach Patentanspruch 1 , dadurch gekennzeichnet, dass die Steuerung der Sitzeinstellung mittels eines Bedienelements und/oder abhängig von Betriebsparameter des Fahrzeuges aktiviert wird.2. The method according to claim 1, characterized in that the control of the seat adjustment is activated by means of an operating element and / or depending on the operating parameters of the vehicle.
3. Verfahren nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, dass die Steuerung der Sitzeinstellung für eine vorgegebene Zeit aktiviert ist .3. The method according to claim 1 or 2, characterized in that the control of the seat adjustment is activated for a predetermined time.
4. Verfahren nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, dass die Steuerung der Sitzeinstellung mittels eines Bedien- elements und/oder abhängig von Betriebsparameter des Fahrzeuges deaktiviert wird.4. The method according to claim 1 or 2, characterized in that the control of the seat adjustment by means of an operating elements and / or depending on the operating parameters of the vehicle is deactivated.
5. Verfahren nach einem der Patentansprüche 1 bis 4, dadurch gekennzeichnet, dass nach Beendigung der Sitzeinstellung die aktuelle Sitzposition der auf dem Fahrzeugsitz sitzenden Person zugeordnet und in der Steuereinheit abgespeichert wird. 5. The method according to any one of claims 1 to 4, characterized in that after completion of the seat adjustment, the current seat position of the person sitting on the vehicle seat is assigned and stored in the control unit.
PCT/EP2004/001448 2003-02-27 2004-02-16 Method for controlling a seat adjustment WO2004076227A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE502004011391T DE502004011391D1 (en) 2003-02-27 2004-02-16 METHOD FOR CONTROLLING A SEAT ADJUSTMENT
EP04711344A EP1597107B1 (en) 2003-02-27 2004-02-16 Method for controlling a seat adjustment
US11/211,505 US7136734B2 (en) 2003-02-27 2005-08-26 Method for controlling a seat adjustment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10308415A DE10308415B3 (en) 2003-02-27 2003-02-27 Seat setting control process for vehicles involves filming and storing person's seated position and using control unit to set seat accordingly
DE10308415.0 2003-02-27

Related Child Applications (1)

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US11/211,505 Continuation US7136734B2 (en) 2003-02-27 2005-08-26 Method for controlling a seat adjustment

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WO2004076227A1 true WO2004076227A1 (en) 2004-09-10

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PCT/EP2004/001448 WO2004076227A1 (en) 2003-02-27 2004-02-16 Method for controlling a seat adjustment

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US (1) US7136734B2 (en)
EP (1) EP1597107B1 (en)
DE (2) DE10308415B3 (en)
WO (1) WO2004076227A1 (en)

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Publication number Publication date
DE10308415B3 (en) 2004-06-03
US7136734B2 (en) 2006-11-14
US20050283293A1 (en) 2005-12-22
EP1597107A1 (en) 2005-11-23
EP1597107B1 (en) 2010-07-14
DE502004011391D1 (en) 2010-08-26

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